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Jaffe-Dax, Sagi; Potter, Christine E.; Leung, Tiffany S.; Emberson, Lauren L.; Lew-Williams, Casey – Cognitive Science, 2023
Perception is not an independent, in-the-moment event. Instead, perceiving involves integrating prior expectations with current observations. How does this ability develop from infancy through adulthood? We examined how prior visual experience shapes visual perception in infants, children, and adults. Using an identical task across age groups, we…
Descriptors: Memory, Visual Perception, Infants, Children
Rakison, David H.; Yermolayeva, Yevdokiya – Journal of Cognition and Development, 2011
A longstanding and fundamental debate in developmental science is whether knowledge is acquired through domain-specific or domain-general mechanisms. To date, there exists no tool to determine whether experimental data support one theoretical approach or the other. In this article, we argue that the U- and N-shaped curves found in a number of…
Descriptors: Research Design, Cognitive Processes, Infants, Brain
Santi, Angelo; Van Rooyen, Patrick – Learning and Motivation, 2007
Two groups of rats were trained in a symbolic delayed matching-to-sample task with a 0-s delay to discriminate sample stimuli that consisted of sequences of tone bursts. For one group, sequences varied in number with total sequence duration controlled. For the other group, total sequence duration, sum of the tone durations, and sum of the gap…
Descriptors: Cues, Intervals, Figurative Language, Diagnostic Tests

Fagan, Joseph F., III – Child Development, 1974
Recognition memory, defined by novelty preferences, was found to vary over 4 discrimination tasks as a function of length of familiarization for 5-6-month-old infants. (ST)
Descriptors: Age Differences, Discrimination Learning, Infants, Memory

Swoboda, Philip J.; And Others – Child Development, 1978
The role of memory factors in the vowel discrimination of normal and at-risk 8-week-old infants was examined by studying the categorical versus continuous discrimination of very brief vowels in a nonnutritive sucking paradigm. Discrimination of the silent delay interval between the last familiar and the first novel stimulus was also examined.…
Descriptors: Auditory Perception, Discrimination Learning, Infants, Memory

Nelson, Charles A.; Salapatek, Philip – Child Development, 1986
When six-month-old infants are preexposed to one stimulus, they are later able to remember that stimulus and distinguish it from a previously unseen, novel stimulus; degree of experience with one stimulus and the magnitude of novelty effect positively covary. Neurological substrates of infants' memory skills are described. (RH)
Descriptors: Discrimination Learning, Infants, Memory, Novelty (Stimulus Dimension)

Rovee, Carolyn Kent; Fagen, Jeffrey W. – Journal of Experimental Child Psychology, 1976
This experiment examines extended learning over a 4-day period in infants exposed to responsive and unresponsive wooden mobiles. Frequency of kicks and attention to the mobile increased over the first three days and was found to vary with the introduction of a novel mobile on day four. (GO)
Descriptors: Attention Span, Conditioning, Discrimination Learning, Infant Behavior

Bahrick, Lorraine E.; Gogate, Lakshmi J.; Ruiz, Ivonne – Child Development, 2002
Three experiments investigated discrimination and memory of 5.5-month-olds for videotapes of women performing different activities (blowing bubbles, brushing hair, brushing teeth) or static displays after a 1-minute and a 7-week delay. Findings demonstrate the attentional salience of actions over faces in dynamic events to 5.5-month-olds. Findings…
Descriptors: Attention, Comparative Analysis, Discrimination Learning, Infant Behavior
Object Recognition and Attention to Object Components by Preschool Children and 4-Month-Old Infants.

Haaf, Robert A. – Journal of Experimental Child Psychology, 2003
This study investigated attention to and recognition of components in compound stimuli among infants and preschoolers. Oddity tasks with preschoolers and familiarization/novelty-preference tasks with infants demonstrated successful discrimination among stimuli components on basis of edge property information. Matching tasks with preschoolers and…
Descriptors: Age Differences, Attention, Attention Control, Discrimination Learning
Kagan, Jerome; And Others – 1975
This is a partial report of a longitudinal investigation designed to assess the psychological effects of an experimentally conducted day care program on children during the first 30 months of life. The experimental subjects were Chinese and Caucasian children from working and middle class families who were cared for at a special group care center…
Descriptors: Attachment Behavior, Attention, Child Development, Child Rearing